Choi Cheol-han (born 12 March 1985) is a South Korean professional Go player. He is the fourth youngest (12 years 2 months) to become a professional Go player in South Korean history behind Cho Hun-hyun (9 years 7 months), Lee Chang-ho (11 years 1 months) and Cho Hye-yeon (11 years 10 months). His nickname is "The Viper".
Biography
Choi became a professional when he was 12 years old. He began playing Go at the age of seven, studying with Lee Sedol in Kweon Kab-yong's academy in Seoul. At that time, Choi was considered the next Lee Sedol.
Promotion record
| Rank | Year | Notes |
|---|
| 1 dan | 1997 | |
| 2 dan | 1998 | |
| 3 dan | 1999 | |
| 4 dan | 2000 | |
| 5 dan | | |
| 6 dan | 2003 | Won the 8th Chunwon. |
| 7 dan | | |
| 8 dan | | |
| 9 dan | 2004 | Special promotion for winning the 47th Guksu and defending his Chunwon title. |
Career record
- 2006: 58 wins, 29 losses
- 2007: 45 wins, 25 losses
- 2008: 50 wins, 18 losses
- 2009: 56 wins, 18 losses
- 2010: 63 wins, 22 losses
- 2011: 50 wins, 24 losses
Titles and runners-up
Ranks tenth in total amount of titles in Korea.
| Domestic |
|---|
| Title | Wins | Runners-up |
|---|
| Guksu | 3 (2003, 2004, 2010) | 2 (2005, 2011) |
| GS Caltex Cup | 1 (2005) | 1 (2006) |
| Chunwon | 4 (2003, 2004, 2010, 2011) | |
| KBS Cup | | 1 (2006) |
| Maxim Cup | 2 (2009, 2010) | 1 (2006) |
| Kisung | 1 (2004) | 2 (2005, 2007) |
| King of Kings | | 1 (2005) |
| KT Cup | | 1 (2002) |
| Total | 11 | 10 |
| Continental |
|---|
| China-Korea Tengen | | 3 (2004, 2005, 2011) |
| Total | 0 | 3 |
| International |
|---|
| Ing Cup | 1 (2008) | 1 (2004) |
| Fujitsu Cup | | 1 (2005) |
| Zhonghuan Cup | 1 (2005) | |
| Total | 2 | 2 |
| Career total |
|---|
| Total | 13 | 15 |
Korean Baduk League
| Season | Team | Place | Record |
|---|
| 2007 | Team World Meridian (Captain) | 6th place | 6–7 |
| 2008 | Team No. 1 Fire Insurance | 4th place | 12–4 |
| 2009 | Team Hite Jinro (Captain) | 6th place | 9–3 |
| 2010 | Team Hite Jinro (Captain) | 4th place | 10–7 |
| 2011 | Team Hite Jinro (Captain) | Runners-up | 13–4 |
Chinese A League
| Season | Team | Place | Record |
|---|
| 2009 | Team Sian (Captain) | 7th place | 9–3 |
| 2010 | Team Sian (Captain) | 2nd place | 7–2 |
| 2011 | Team Sian (Captain) | TBD | 10–5 |